Jackaroo Gearbox / Threads 34504 : 34553

Submitted: Sunday, Jun 04, 2006 at 19:33
ThreadID: 34609 Views:2390 Replies:5 FollowUps:1
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Bad news - After the servicing of the transmission by a specialist it is still developing "clutch shudder" (it is an auto) and not changing gear correctly on occasions.

Looks like I sell it or take a chance that the $2500 I have been quoted to rebuild the transmission (by the specialist) will fix the problems.
I cannot afford to pay $2500 and then have it still happening -

Could it be anything else causing the shudder and change problems when it is worn? - I just don't know if I am going the right way or not. I certainly cannot get help from GM dealers, they probably know less than me.

The wife suggests we run it until it $#@$$%% and then at least we will know which part was faultry.

Any suggestions?
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Reply By: FZJ 80 - Sunday, Jun 04, 2006 at 19:37

Sunday, Jun 04, 2006 at 19:37

As i posted last time, have you checked the inhibitor switch. Is the selector display on the instrument cluster lit up correctly for the gear it's in? When it slips make sure the display is lit up for D for drive eg.
How many k's is on it?

AnswerID: 176687

Follow Up By: WDR - Sunday, Jun 04, 2006 at 19:47

Sunday, Jun 04, 2006 at 19:47
After your first response we watched the D in the binnacle and it seemed O'K - I am not sure we have been looking at it when the car actually misbehaves though - I will try tomorrow. Could that cause clutch shudder too? The problem is intermittant - So far I have not worked out a way to induce the symptons.
Car has done 160000 almost without a hiccup.
2000 SE Auto Petrol - I am the only owner.
Box whined from new when in 4SD - seemed a common problem so I ignoredit.
Also whines when cold but that quickly goes away.
Could not do a three point turn in 4WD and that was explained to me (I think it is crazy but so be it)
FollowupID: 432741

Reply By: FZJ 80 - Sunday, Jun 04, 2006 at 20:07

Sunday, Jun 04, 2006 at 20:07

Being intermittant sounds electrical to me and if the clutches were worn (and at 160000km they will be to a degree) to the extent of slip then why wouldn't it happen all the time? Next time it occurs check the "D" display, if it's not lit the inhibitor switch is most likely the cause. My mates is a 99 3.5 auto. He took his to the local Hold on dealer and "Told Them" that when the shift is poor-errratic the "D" light is not lit. Picks car up, dealer says can not fault it, off you go china!!
This says to me that the faulty switch probably does not log a fault in the trans computer. We both have experience with BMW cars having worked for BMW for many years and early 90's bm's have similar inhib switch problems and similar symptoms. The difference is that genuine BMW inhib switches are $70.00 and Jacka switches are $750.00. If you need a switch at the end of this saga try Jackworld, i think they are in Victoria, they often stock genuine new parts at substantial savings to Hold on pricing.

Good luck

AnswerID: 176697

Reply By: Member - Bruce and Anne - Sunday, Jun 04, 2006 at 20:40

Sunday, Jun 04, 2006 at 20:40
If you are a member of the RACQ etc get them to check it for you so you get an honest answer, just a thought.
AnswerID: 176704

Reply By: WDR - Monday, Jun 05, 2006 at 19:54

Monday, Jun 05, 2006 at 19:54
I forgot to mention during all of this that the oil pressure guage started to drop down near 0 as against middle of the guage about three months ago. After talking to many people and seeing the number of unexplained incidents on various sites I elected to ignore it - Oil light has never gone on - Can this be contributing or related to my problem.
AnswerID: 176901

Reply By: disco driver - Monday, Jun 05, 2006 at 23:46

Monday, Jun 05, 2006 at 23:46
Sounds like one option may be to keep the front & rear number plates and get rid of everything in between.

Hope it doesn't come to that

AnswerID: 176945

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